When it first burst onto the the scene in 1995, the virtual bookshop let readers order pretty much any book they wanted, without getting out of the house.
其首次爆发是在1995年,这家虚拟书店让它的读者能够订购到近乎所有的书,并且完全不用离开屋子。
2
A femtosecond laser pulse lasts on the order of a quadrillionth of a second but reaches a peak power equivalent to that of the entire power grid of North America during its short burst.